Skip to main content

Materials: 12 mm plaster 1:6 per 10 m²

Short answer

For 10 m² of 12 mm plaster in 1:6 mortar, wet volume 0.12 m³, dry volume 0.1524 m³. Cement needed: 0.63 bags (0.0218 m³); sand: 0.131 m³.

Prepare quantities of material required for 12 mm thick (1:6) cement plastering per 10 m² in brick wall.

Assumptions: dry volume = 1.54 × wet volume for concrete and 1.27 × wet volume for mortar; 1 m³ of cement = 28.8 bags of 50 kg; no wastage is added.

12 mm plaster 1:6 per 10 m²

  • Wet mortar =10.0×0.0120=0.1200= 10.0 \times 0.0120 = 0.1200 m³; dry volume =1.27×0.1200=0.1524= 1.27 \times 0.1200 = 0.1524 m³
  • Cement =1/7×0.1524=0.0218= 1/7 \times 0.1524 = 0.0218 m³ =0.63= 0.63 bags
  • Sand =6/7×0.1524=0.1306= 6/7 \times 0.1524 = 0.1306 m³

Answer per 10 m²: cement = 0.63 bags (0.0218 m³); sand = 0.131 m³.

✓ Answer checked by Claude Opus 5.5 (high effort)

All Estimating and Costing chapter 4 questions →